Re: [osg-users] Collision Response

Hi, The Intersector return a osgUtil::LineSegmentIntersector::Intersections. For each intersection, you have a nodePath, an intersection point ( getWorldIntersectPoint() ) and a normal ( getWorldIntersectNormal() ). Now, if you know the vector of the object movement, and the normal of the

Re: [osg-users] Terrain by Heightmap

Ok now it works. Thanks a lot. -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=15327#15327 ___ osg-users mailing list osg-users@lists.openscenegraph.org

[osg-users] question about available feature support for Direct Draw Surface

Hello OpenSceneGrapher! I want to texture by shading some geodes that are sticked together as a huge landscape. I wonder what file format for the textures is most suitable. Usually I take squared JPG. But short while ago I read about Direct Draw Surface (DDS) which supports mipmaps. Does

[osg-users] Back from trip..albeit briefly :-)

Hi All, I'm now back from my training/consultancy trip to black forest in Southern Germany, I'm here until next Tuesday when I'm off for a family holiday. As I'm only here briefly I won't have much time to do lots of work - my main focus will be getting submissions merged and the final 2.8.2

[osg-users] [build] Help building OSG 2.8.1 with CMAKE

Hi, I am trying to get OpenSceneGraph running under Windows XP, and Visual Studio 2003 or 2005. My plan is to try and use OSGART which requires ARToolkit / Openscenegraph to be installed previously. I downloaded OpenSceneGraph-2.8.1.zip, installed Cmake 2.61 and opened the Cmakelist.txt with

Re: [osg-users] osgViewer in stereo mode

Ok, thanks for your answers. I'm going to check the SceneView code. The osgstereoimage example only use right and left masks to separate pictures form left and right camera. But there is no direct access to camera. I continue :) -- Read this topic online here:

Re: [osg-users] Performances behavior

Hi Harold, I belive you haven't got any replies because your post was too confusing to understand exactly what your seeing at your end. For instance you provide numbers but don't say what they are. If you want help you'll need to provide more specific information about the results your are

Re: [osg-users] Help with a txp file

Hi Mach, TXP databases are paged databases so you'll need to manually page the data in bit by bit and then disgard the data once you've used it to ensure that your memory doesn't blow up. For a bit of an example that does something along these line have a look at the include/osgSim/LineOfSight

Re: [osg-users] setUpdateCallback fails under slave-camera

Hi Tim, On Mon, Jul 20, 2009 at 4:25 PM, Timm Lindertimmlin...@yahoo.de wrote: Do you think there is a way of making the update callbacks work in the slave camera *without* tampering with the original OSG Core source code? You have complete control of the viewer frame loop so just break it

Re: [osg-users] DrawCallback and Textures

Hi Paul, On Mon, Jul 20, 2009 at 4:57 PM, paul1...@yahoo.com wrote: Can I modify a Texture image in a DrawCallback or do I need to do this in an UpdateCallback? Is your app multi-threaded? If you have multiple draw threads running at once on the same texture then you'll need to be very

Re: [osg-users] [osgPlugins] Plugin Logo bug

Hi Alexandre, This screams out that the plugin is being used in ways that it simply can't can, the same for your follow up email. The plugin tries to achieve a feature in a way that is quite simply the wrong way tackle it in a general purpose way - it'll only ever work in very constrained scene

Re: [osg-users] Importance Of Node Path List In Database Pager

Hi Ryan, On Tue, Jul 21, 2009 at 4:11 PM, Kawicki, Ryan Hryan.h.kawi...@boeing.com wrote: I am curious as to what the importance of the node path list is for the database pager.  More importantly, why does the FindCompileableGLObjectsVisitor need to have a complete path from the group to be

Re: [osg-users] [vpb] VPB: Cell centers misalignment?

Hi Colin, I can't do anything without being able to reproduce the issue. Could you provide a small set of data that reproduces the issue, and details on your VPB/OSG versions, GDAL versions. Thanks, Robert. On Mon, Jul 20, 2009 at 11:25 PM, Colin Knowlesco...@k2vi.com wrote: Hi, I'm

Re: [osg-users] Composite Viewer simple test crash with latest svn

HI Alexandre, You can't presently mix multi-threading of graphics context that share GL objects as the two threads will not synchronize the creation, uploading of and deletion of the GL objects. If you want to share GL objects you need to run single threaded, if you want to run multi-threaded

Re: [osg-users] Concurrent updates to the scene graph

Hi Karl, On Wed, Jul 22, 2009 at 2:14 PM, Karl Wurzelosgfo...@tevs.eu wrote: - osgterrain sets the threading model to SingleThreaded. Is there a specific reason for this? I don't recall a reason. It's primarly an example I've used for testing rather than 3rd party education. - What about

Re: [osg-users] [build] Help building OSG 2.8.1 with CMAKE

Hi David; Please look at http://www.openscenegraph.org/projects/osg/wiki/Support/PlatformSpecifics/VisualStudioto achieve OSG installation on your VisualStudio environment. Regards. Ümit Uzun 2009/7/24 David Goering dgoer...@gmail.com Hi, I am trying to get OpenSceneGraph running under

Re: [osg-users] [osgPlugins] dae plugin, Colladadom and boost_filesystem on Ubuntu

Hi Joe, I'm afraid the COLLADA dom is a bit of moving target w.r.t what one has to link against with different versions. In svn/trunk we done some further work to try and catch the latest combination. I may have backported this to the OSG-2.8 so it'd be worth trying out the 2.8.2-rc's. Robert.

Re: [osg-users] [build] Help building OSG 2.8.1 with CMAKE

Hi Ümit, Thanks for the quick answer. I dont know how I managed to miss that site, because I really did click through the documentation. I hope I did everything right now and I am building the project now, but its taking like 45 Minutes already and is still building, is that normal ? :O Thanks

[osg-users] OpenSceneGraph-2.8.2 release candidate report

Hi all I'm just starting a new thread to make it more clear... I've compiled and test the OpenSceneGraph-2.8.2-rc4. Compilation is ok. Running few tests was ok too. using osgmovie with xine reading an mpeg movie makes a segfault... export OSG_NOTIFY_LEVEL=DEBUG osgmovie -l osgdb_xine.so

Re: [osg-users] question about available feature support for DirectDraw Surface

Hi Andreas, DDS is flexible container format capable of storing 2D, 3D, Cube and Array Textures (with or without mipmaps) in many pixel formats. Block compressed pixel formats like DXTn, RGTC (3Dc) and LATC are supported. Of course I don't know all existing image formats but I learned about

Re: [osg-users] [build] Help building OSG 2.8.1 with CMAKE

Hi David; If you do all configurations (for example all Environment Variable settings, it is very critic to help CMAKE to find related libraries) there won't be any error I think and it is normal if you build in Debug mode :) Release mode would be faster. Regards. Ümit Uzun 2009/7/24 David

Re: [osg-users] Frame rates vary dramatically across runs

Hi Wojtek, JS, et al, On Wed, Jul 22, 2009 at 3:57 PM, Wojciech Lewandowskilewandow...@ai.com.pl wrote: I agree. We may raise this subject when Robert comes back. He probably knows why RenderStage does this. The code in RenderStage is mainly there as fallback to avoid limits applied by the

Re: [osg-users] node modification from within update callback -

Hi Sherman, Nice little diagram and explanation, made it clear what could be an awkward topic... answers below. On Wed, Jul 22, 2009 at 8:12 PM, sherman wilcoxwilcox.sher...@gmail.com wrote: Take a look at the attached image. From within F's update callback, we know that we must not add

Re: [osg-users] Download Not Working

Hi Jonathan, I haven't heard of problems like this before. Are you still seeing this problem? You you point us at a particular file that you are having problems downloading? Robert. On Thu, Jul 23, 2009 at 2:51 PM, Jonathan Georgej...@jkgeorge.net wrote: Anyone else having trouble

Re: [osg-users] Download Not Working

I saw this yesterday on my Windows machine running Tortise SVN. I haven't seen it on my RedHat linux machine. Lee - Original Message - From: Robert Osfield robert.osfi...@gmail.com Date: Friday, July 24, 2009 8:14 Subject: Re: [osg-users] Download Not Working To:

Re: [osg-users] [build] Help building OSG 2.8.1 with CMAKE

Hi David; Now choose INSTALL branch which listed left tree view and right click and choose Project Only-Build only INSTALL. After build operation you can go to C:\Program Files\OpenSceneGraph\share\OpenSceneGraph\bin and start every sample only double clicking. But don't forget to set

Re: [osg-users] Frame rates vary dramatically across runs

Hi Robert, One problem that this change might introduce is that if users make not explicitly specified both a depth and colour buffers in their Camera settings, but instead have relied upon this behavior of RenderStage. I think a solution could be adding default COLOR_BUFFER and DEPTH_BUFFER

Re: [osg-users] Terrain by Heightmap

Hi Markus, The OSG has an osgTerrain NodeKit dedicated to the task of rendering terrain. All you need to do is create an osgTerrain::TerrainTile and assign your osg::HeightField to this as the elevation layer, and then assign an osgTerrain::GeometryTechnique to handle the actual rendering scene

Re: [osg-users] OpenSceneGraph-2.8.2-rc4 problem with osgViewerFox

Hi Gary, My guess is that this problem has been in there a while as the osgviewerFOX example has not changed since it's introduction. I don't use Fox or Windows so I really can't help much in helping track down and fix this problem, hopefully Windows/FOX experts will spot your message and will

Re: [osg-users] osgViewer in stereo mode

Hi Eric, The stereo cameras are currently hidden away as implementation detail of osgUtil::SceneView, so they aren't directly accessible form osgViewer. It's my plan to change osgViewer so that it doesn't rely on SceneView for stereo, with the stereo being a viewer configuration that uses slave

Re: [osg-users] Frame rates vary dramatically across runs

Hi Wojtek, On Fri, Jul 24, 2009 at 1:18 PM, Wojciech Lewandowskilewandow...@ai.com.pl wrote: I think a solution could be adding default COLOR_BUFFER and DEPTH_BUFFER attachments to FBO Cameras. They are not set currently and thus dirty work of setting them is done by RenderStage. If they were

[osg-users] Near plane for lines

Hi all, I'm using COMPUTE_NEAR_FAR_USING_PRIMITIVES near and far planes computation mode with OSG 2.8.1. The scene contains a number of various models. One of them is a long curve that is drawn as an array of vertices in osg::Geometry using GL_LINE_STRIP primitive. When viewed from some angles

Re: [osg-users] Composite Viewer simple test crash with latest svn

Hi Robert, thank you for answering my first question. I don't know if you had the time to take a look at my second problem concerning multi-textured model with single threaded and shared graphic context. This bug only happens when using multi-textured object. Is it the normal behaviour ??

Re: [osg-users] Frame rates vary dramatically across runs

Thanks Robert, I think a solution could be adding default COLOR_BUFFER and DEPTH_BUFFER attachments to FBO Cameras. They are not set currently and thus dirty work of setting them is done by RenderStage. If they were set by default in Camera users could directly override or remove them. If

Re: [osg-users] Frame rates vary dramatically across runs

Hi Robert, Wojtek, Robert Osfield wrote: The code in RenderStage is mainly there as fallback to avoid limits applied by the first FBO supporting drivers. Removing this requirement should now be possible - we can do this and then do a call for testing. That's what I thought. I think that

Re: [osg-users] Frame rates vary dramatically across runs

Hi J-S, Is this really needed? I know we don't want to break users' existing apps, but in general, we should assume they know what they're doing right? The solution above would mean that someone who knows what they're doing would need to remove attachment(s) instead of adding just the ones

Re: [osg-users] Composite Viewer simple test crash with latest svn

Hi Alexandre, On Fri, Jul 24, 2009 at 1:31 PM, Alexandre Amalricalex.pix...@gmail.com wrote: I don't know if you had the time to take a look at my second problem concerning multi-textured model with single threaded and shared graphic context. This bug only happens when using multi-textured

Re: [osg-users] question about available feature support for Direct Draw Surface

Hi Wojtek! First thanks for the quick response. You wrote: DDS files are not compressed for file storage and they don't require decompression which means they load quite quicly. PNG and JPG require this. If you say, DDS files are not compressed, the DXTn compression doesn't matter,

Re: [osg-users] [build] Help building OSG 2.8.1 with CMAKE

Hey, Thanks a lot for your help, the examples work now, I downloaded the daa folder where the examplary models are stored and added that folder to the Path variable. But for some reason when I enter osgviewerd cow.osg he cant find the model... but if I write osgviewerd osgdir/data/cow.osg it

Re: [osg-users] Frame rates vary dramatically across runs

Hi Wojtek, We all agree. Lets make atachment selection explicit. My proposal was just an rhetoric response (if I may say so;-) to rhetoric question Robert asked. OK, so who does it? :-) If you have the time, I'd be more comfortable if you made the change, as I haven't touched that code

Re: [osg-users] [build] Help building OSG 2.8.1 with CMAKE

Hi David, My Path Variable looks like this: C:\Praktikum\OpenSceneGraph-2.8.1\bin;C:\Praktikum\OpenSceneGraph-2.8.1\Data When you say my path variable do you mean PATH? The data files will be looked for in OSG_FILE_PATH, not PATH. That one is for executables and DLLs... So set

Re: [osg-users] [build] Help building OSG 2.8.1 with CMAKE

I had one more quick question, I can load in osg files, but what about the lua files? And am I able to load any other 3D Models, like google Sketchup files or 3ds or obj files? Do I need to install some kind of plugin? And if yes which one and how? Thanks for the support! :) David

Re: [osg-users] [build] Help building OSG 2.8.1 with CMAKE

Hey Skylark, Ah ok, so I created a new Variable named it OSG_FILE_PATH and gave it the value C:\Praktikum\OpenSceneGraph-2.8.1\Data is that what you meant? If yes it is still not working, it still says osgviewerd: No Data loaded Or did I missunderstand you? Thanks, David -- Read

[osg-users] [vpb] combining high and low resolution terrains

Hi, I have two different overlaping databases. One has a big area but in low detail, the other one is small but highly detailed (as shown in figure). First, I tried to build the terrain with a single osgdem command by supplying multiple files. But the low resolution area is unnecessary

Re: [osg-users] question about available feature support for DirectDraw Surface

Hi Andreas, First thanks for the quick response. You wrote: DDS files are not compressed for file storage and they don't require decompression which means they load quite quicly. PNG and JPG require this. If you say, DDS files are not compressed, the DXTn compression doesn't matter,

Re: [osg-users] [build] Help building OSG 2.8.1 with CMAKE

Hi David, Ah ok, so I created a new Variable named it OSG_FILE_PATH and gave it the value C:\Praktikum\OpenSceneGraph-2.8.1\Data is that what you meant? If yes it is still not working, it still says osgviewerd: No Data loaded If you added the variable in your System Properties, then you need

Re: [osg-users] Frame rates vary dramatically across runs

Hi J-S, We all agree. Lets make atachment selection explicit. My proposal was just an rhetoric response (if I may say so;-) to rhetoric question Robert asked. OK, so who does it? :-) Smart move. I can do this. But only if you take the evangelization part ;-) If you have the time, I'd

Re: [osg-users] Frame rates vary dramatically across runs

HI Wojtek, I've just has a look at your changed RenderStage. The changed code is below. Is there a reason why the #if !FORCE_COLOR_ATTACHMENT which disables the draw and read buffer is done after the FBO apply? I looks to me that one could simply have an #ifdef/#else. I do also wonder whether

Re: [osg-users] Importance Of Node Path List In Database Pager

Would it be possible to store this information as a DatabaseRequest attribute? The node path should be computed during the cull traversal. The problem here is that there is the possibility for a parent iterator to become invalidated when this operation traverses up the scene graph. Sorry

Re: [osg-users] [build] Help building OSG 2.8.1 with CMAKE

Hi David, I had one more quick question, I can load in osg files, but what about the lua files? lua is a scripting language, not a 3D model file format... OSG wouldn't know what to do with it. There is an osgLua project that allows you to use OSG from lua scripts, though I don't know if

Re: [osg-users] [build] Help building OSG 2.8.1 with CMAKE

Hey, Thanks a lot for those tips, they were really helpfull... I got it set up now! Now I have to play arround a bit ;) Cya, David -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=15381#15381 ___

Re: [osg-users] Importance Of Node Path List In Database Pager

Hi Ryan, On Fri, Jul 24, 2009 at 3:01 PM, Kawicki, Ryan Hryan.h.kawi...@boeing.com wrote: Would it be possible to store this information as a DatabaseRequest attribute? Curious, I thought I had already made such a change to DatabasePager - to move the NodePath acquisition to the

Re: [osg-users] Frame rates vary dramatically across runs

Hi Wojtek, Smart move. I can do this. But only if you take the evangelization part ;-) I don't know what evangelism means in this context... It seems to me that it just allows users to make better use of the resources they have. But yeah, if you equate evangelism with being opinionated, I

Re: [osg-users] [build] Help building OSG 2.8.1 with CMAKE

Hi David, Hey, Thanks a lot for those tips, they were really helpfull... I got it set up now! Now I have to play arround a bit ;) My pleasure. I know how hard it can be when you're starting out and trying to get used to your tools. It takes a while to get comfortable with all that. Happy

Re: [osg-users] Frame rates vary dramatically across runs

Hi JS, On Fri, Jul 24, 2009 at 3:21 PM, Jean-Sébastien Guayjean-sebastien.g...@cm-labs.com wrote: But yeah, if you equate evangelism with being opinionated, I can do that :-) Ahh so we're all just evangelists round here then :-) Robert. ___ osg-users

Re: [osg-users] Frame rates vary dramatically across runs

Hi Robert, I've just has a look at your changed RenderStage. The changed code is below. Is there a reason why the #if !FORCE_COLOR_ATTACHMENT which disables the draw and read buffer is done after the FBO apply? I looks to me that one could simply have an #ifdef/#else. I do also wonder

Re: [osg-users] Frame rates vary dramatically across runs

I meant evangelism as spreading the word. In other words you do the PR for this modification. ;-) Wojtek - Original Message - From: Jean-Sébastien Guay jean-sebastien.g...@cm-labs.com To: OpenSceneGraph Users osg-users@lists.openscenegraph.org Sent: Friday, July 24, 2009 4:21 PM

Re: [osg-users] Frame rates vary dramatically across runs

Hi Robert, Ahh so we're all just evangelists round here then :-) I'm not the one who said it :-) J-S -- __ Jean-Sebastien Guayjean-sebastien.g...@cm-labs.com http://www.cm-labs.com/

Re: [osg-users] Best way to draw a volume

Evan O'Toole wrote: You also will probably want to depth-sort the geometry, and make sure it's drawn later than any opaque geometry (so the blending will work properly): stateSet-setRenderBinDetails(1, DepthSortedBin); The objects I'm drawing will need to be dynamically changed from

Re: [osg-users] question about available feature support for DirectDraw Surface

Wojciech Lewandowski wrote: Hi Andreas, DDS is flexible container format capable of storing 2D, 3D, Cube and Array Textures (with or without mipmaps) in many pixel formats. Block compressed pixel formats like DXTn, RGTC (3Dc) and LATC are supported. Of course I don't know all existing image

[osg-users] Help with CompositeViewer

I have been looking at this example (http://www.openscenegraph.org/projects/osg/browser/OpenSceneGraph/trunk/examples/osgcompositeviewer/osgcompositeviewer.cpp) and written code similar to the parts that I think are relevant but all I get inside my window is a plain black background. I have set

Re: [osg-users] osgInEurope - osg meeting/conference in Paris

Hi folks, Serge, you haven't confirmed the date yet. Is the second week (just one weekend) in the September is ok for osgInEurope in your company? Cedric Pinson wrote: I cheked if there is an event in paris, but i did not find an event at this period. Serges can you confirm the date of the

[osg-users] FW: Importance Of Node Path List In Database Pager

Have you implemented a fix yet? If not I'll try to get to it while I'm still around this week/early next week. Unfortunately, we have not come up with a fix. If you like, I could come up with a solution and submit it, but I would hate to duplicate work if you already have it on disk

Re: [osg-users] Help with CompositeViewer

Hi Vic, The view's Camera's Color value will be taking precedence over that of the graphics window, so typically you'll just set the camera's colour and not worry about the GraphicsWindow. Since the viewers cameras normally cover the whole window GraphicsWindow even defaults to not clearing (the

Re: [osg-users] Help with CompositeViewer

At quick glance, a couple of things look suspect in the code below... Try setting traits-doubleBuffer = true; Also when you create the graphics context, you're passing in traits instead of traits.get(). I would think it would be the latter since traits is a ref_ptr... -Shayne -Original

Re: [osg-users] osgViewer in stereo mode

Hi Robert, thanks for your quick answer, just coming back from holidays :) I understand now why I wasn't able to find a simple way to get the cameras. So if I understand well, it's not possible with current implementation to set up a post processing effect on the stereo cameras when using

Re: [osg-users] Near plane for lines

Wojciech Mruczkiewicz wrote: Hi all, I'm using COMPUTE_NEAR_FAR_USING_PRIMITIVES near and far planes computation mode with OSG 2.8.1. The scene contains a number of various models. One of them is a long curve that is drawn as an array of vertices in osg::Geometry using GL_LINE_STRIP primitive.

Re: [osg-users] Help with CompositeViewer

Thanks, setting doubleBuffer to true fixed the problem with the background color. It is now blue like it should be! But there's no capsule. -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=15404#15404

Re: [osg-users] osgViewer in stereo mode

Hi Eric, On Fri, Jul 24, 2009 at 4:57 PM, Eric Pouliquenepouliq...@silicon-worlds.fr wrote: Hi Robert,  thanks for your quick answer, just coming back from holidays :)  I understand now why I wasn't able to find a simple way to get the cameras.  So if I understand well, it's not possible

Re: [osg-users] question about available feature support for DirectDraw Surface

andreas.rich...@dlr.de wrote: If you say, DDS files are not compressed, the DXTn compression doesn't matter, because the algorithms are hardware accelerated? Did this features (being not compressed) pays off even if I write my scene into an IVE-file and load this file later on in another OSG

Re: [osg-users] Help with CompositeViewer

Perhaps it might be useful to take a look at the void osgViewer::View::setUpViewInWindow(...) method in the OSG source to see what you might be missing in your explicit setup... -Shayne -Original Message- From: osg-users-boun...@lists.openscenegraph.org

Re: [osg-users] Help with CompositeViewer

And setting the clearcolor for the camera did not give the same effect. still just black. hmm. view-getCamera()-setClearColor(osg::Vec4f(0.2f, 0.2f, 0.6f, 1.0f)); -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=15407#15407

Re: [osg-users] Help with CompositeViewer

You've forgotten to setup the viewport I think: view-getCamera()-setViewport(new osg::Viewport(0,0, traits-width/2, traits-height/2)); 2009/7/24 Vic Ace typedefinit...@gmail.com: And setting the clearcolor for the camera did not give the same effect. still just black. hmm.

Re: [osg-users] Help with CompositeViewer

Ok, now the code looks like this and I have attached a pic of how this renders. A bit odd. Code: osg::ref_ptrosgViewer::CompositeViewer viewer = new osgViewer::CompositeViewer; osg::ref_ptrosg::GraphicsContext::Traits traits = new osg::GraphicsContext::Traits; traits-x = 100; traits-y = 100;

Re: [osg-users] Help with CompositeViewer

That's how it should look. You've set the viewport up to take a quarter of the screen and you don't have a camera manipulator, so your camera will be in the default location, which usually means you aren't looking at anything. Remove the /2 in the viewport setup or add some more view ports to

Re: [osg-users] Help with CompositeViewer

Ah ok. But how come the background inside the viewport is grey? I have not specified this color. And where's the capsule? -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=15415#15415 ___ osg-users

Re: [osg-users] [vpb] combining high and low resolution terrains

Ethem Akgun wrote: What is the best way to build the terrain in this scenario? In the situation where the viewer is guaranteed to stay within the hi-res terrain database extents, I render the lo-res database in an early renderbin, then forcibly wipe the z-buffer and then render the hi-res

Re: [osg-users] question about available feature support forDirectDraw Surface

Jason Daly wrote: No, all texture files are embedded into the .ive file just as they are on disk. The .ive doesn't store the decompressed version. Oops, my mistake. You were correct. The image data is stored uncompressed in the .ive file. --J

[osg-users] osgscreencapture offscreen rendering - clamping floats

Folks, I've been working with the osgscreencapature example to use pbuffers for offscreen rendering. I'm having a problem with floating point values being clamped [0.0 - 1.0]. Any ideas on how to turn the clamping off? Brian This is a PRIVATE message. If you are not the intended recipient,

[osg-users] shader newbie question

Hi All, I'm starting to develop shader, texture, uniform, etc. code for our app and I have what's probably a very simple question. I understand these shader-related objects live in the Stateset, and in most examples I see the stateset being set on osg::Geometry within osg:Geodes. If I have an

Re: [osg-users] osgscreencapture offscreen rendering - clamping floats

Hi Brian, I've been working with the osgscreencapature example to use pbuffers for offscreen rendering. I'm having a problem with floating point values being clamped [0.0 - 1.0]. Any ideas on how to turn the clamping off? There's been discussion about this in the past, check the archives. I

Re: [osg-users] osgscreencapture offscreen rendering - clamping floats

Hi Brian, yes, you need to disable the OpenGL color value clamping. This can be done by this, I think: Code: // disable color clamping, because we want to work on real hdr values osg::ClampColor* clamp = new osg::ClampColor(); clamp-setClampVertexColor(GL_FALSE);

Re: [osg-users] shader newbie question

Bob Youmans wrote: Hi All, I’m starting to develop shader, texture, uniform, etc. code for our app and I have what’s probably a very simple question. I understand these shader-related objects live in the Stateset, and in most examples I see the stateset being set on osg::Geometry within

Re: [osg-users] shader newbie question

Hi Bob, Even if there’s only one stateset object created, do I still have to set it for the geometry nodes, or will they inherit from the parent path? You intuition is correct, nodes and drawables under the one where you set the shaders/uniforms will inherit them. You can even change a

[osg-users] [osgPlugins] OpenFlight DOF node does not read correctly

I am testing my company's own OpenFlight implementation and came across some corrupt data reading in Dof nodes. Google found that the OSG OpenFlight plugin is compensating for the same corrupt data so that was useful to me and validated what coworkers were telling me about the cause of the

Re: [osg-users] [osgPlugins] OpenFlight DOF node does not read correctly

Scott Johnson wrote: I am testing my company's own OpenFlight implementation and came across some corrupt data reading in Dof nodes. Google found that the OSG OpenFlight plugin is compensating for the same corrupt data so that was useful to me and validated what coworkers were telling me

Re: [osg-users] osgscreencapture offscreen rendering - clamping floats

I've gone through the archives and thought I had done the right thing, but I still get clamped values. The osgscreencaptuer example uses pbuffers in a unique way (not simply as a camera setRenderTargetImplementation). I'm wondering if there's something special about how they're being used. Here

Re: [osg-users] [osgPlugins] OpenFlight DOF node does not read correctly

Yes, it is strange! Why couldn't they just read in four doubles like the spec says?!? Of course that is what I had to start but it didn't work. A coworker has warned me that the spec cannot be relied on to implement OpenFlight and this is showing me that he is right. To make the test, I put

Re: [osg-users] [osgPlugins] OpenFlight DOF node does not read correctly

Sorry, I don't know if it is known problem with Creator. I'll look into that. Scott -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=15433#15433 ___ osg-users mailing list

Re: [osg-users] [osgPlugins] OpenFlight DOF node does not readcorrectly

Scott Johnson wrote: Sorry, I don't know if it is known problem with Creator. I'll look into that. I tried Google, but not much came up. I might look on the Presagis site when I get more time. --J ___ osg-users mailing list

Re: [osg-users] [osgPlugins] OpenFlight DOF node does not readcorrectly

Scott Johnson wrote: Yes, it is strange! Why couldn't they just read in four doubles like the spec says?!? Of course that is what I had to start but it didn't work. A coworker has warned me that the spec cannot be relied on to implement OpenFlight and this is showing me that he is right.

Re: [osg-users] [osgPlugins] OpenFlight DOF node does not readcorrectly

HI Note files written by Creator are the Spec for that version that they are writing to ( btw 15.6 was not a good time for Creator ) The problem was and is that the publish specs does contain errors and this leads to problems if not using MPI's API's or I should say Presagis these

Re: [osg-users] [osgPlugins] OpenFlight DOF node does not read correctly

Scott Johnson wrote: Yes, it is strange! Why couldn't they just read in four doubles like the spec says?!? Of course that is what I had to start but it didn't work. A coworker has warned me that the spec cannot be relied on to implement OpenFlight and this is showing me that he is right.

Re: [osg-users] [osgPlugins] OpenFlight DOF node does not read correctly

Its more hey did you update the specs docs ? , err no did you ? Don't worry someone will do it err I think .. :-) __ Gordon Tomlinson gor...@gordontomlinson.com IM: gordon3db...@3dscenegraph.com www.vis-sim.com

Re: [osg-users] osgscreencapture offscreen rendering - clamping floats

Hi Brian, Sorry about replying to an eajavascript:BOQ('javascript:abPreSubmit (h_ShimmerSend)')rlier message. I thought changing the subject and removing the message text would be OK. I'm curious how your client knew that I used an old osgOcean message. Rookie mistake :-) There are headers